def xmlrpc_catalog(self, path=''):
"""Return a list of subdirectories within this stats path"""
result = defer.Deferred()
d = StatsTarget(path).catalog()
d.addErrback(result.errback)
d.addCallback(self._catalog, result)
return result
def xmlrpc_get(self, path, name, default=False):
"""Get a (value, type) tuple for the metadata key with the given
name, returning 'default' if it isn't found
"""
result = defer.Deferred()
StatsTarget(path).metadata.get(name, default).addCallback(
self._get, result).addErrback(result.errback)
return result
def xmlrpc_catalog(self, path=''):
"""Return a list of subdirectories within this stats path"""
result = defer.Deferred()
d = StatsTarget(path).catalog()
d.addErrback(result.errback)
d.addCallback(self._catalog, result)
return result
def message(self, uri, message, content):
"""Appends 'content' to the path represented by the given URI
and delivers a message to its associated stats target.
This includes a bit of a hack for tracking associations
between stats targets. We assume that messages are delivered
one at a time- if we get a duplicate message (presumably to a
different stats target) we add that stats target to the list of
targets this message has been delivered to, and reinforce the
new relations this forms.
"""
path = posixpath.join(self.parseURI(uri)['path'], content)
target = StatsTarget(path)
target.deliver(message)
if message == self.lastMessage:
for prevTarget in self.messageTargets:
Relation(prevTarget, target).reinforce()
else:
self.messageTargets = []
self.messageTargets.append(target)
self.lastMessage = message
def getTargetFromURL(self, url):
"""Given a URL that presumably refers to our HTTP server, extract a stats
target from it. The URL should be to an RSS feed, but we won't be too
picky. If we can't find a related stats target, return None.
"""
# We ignore everything except the path, assuming the URL actually
# refers to this host. There's no reason for someone to ask us to
# notify them if another server's page changes, and it would take
# more effort than it's worth to accurately determine if the given
# host refers to this CIA server, with all the proxying and DNS
# multiplicity that could be going on.
path = urlparse.urlparse(url)[2]
# FIXME: really cheesy hack!
if not path.startswith("/stats/"):
return None
return StatsTarget(path[7:].split("/.", 1)[0])
def protected_clearTarget(self, path):
"""Deletes any data stored at a given stats target or in any of its subtargets"""
log.msg("Clearing stats path %r" % path)
return StatsTarget(path).clear()
def xmlrpc_getCounterValues(self, path, name):
"""Returns a dictionary with current values for the given counter.
Note that times are returned as UNIX-style seconds since
the epoch in UTC.
"""
return StatsTarget(path).counters.getCounter(name)
def xmlrpc_getLatestMessages(self, path, limit=None):
"""Return 'limit' latest messages delivered to this stats target,
or all available recent messages if 'limit' isn't specified.
"""
return [(id, XML.toString(doc))
for id, doc in StatsTarget(path).messages.getLatest(limit)]
def protected_remove(self, path, name):
"""Remove one metadata key for this target, if it exists"""
return StatsTarget(path).metadata.remove(name)
def protected_clear(self, path):
"""Remove all metadata for one target"""
return StatsTarget(path).metadata.clear()
def protected_set(self, path, name, value, mimeType='text/plain'):
"""Set a metadata key's value and MIME type"""
return StatsTarget(path).metadata.set(name, str(value), mimeType)
def xmlrpc_dict(self, path):
"""Return a mapping of names to (value, type) tuples for the given path"""
result = defer.Deferred()
StatsTarget(path).metadata.dict().addCallback(
self._dict, result).addErrback(result.errback)
return result
